Page 205 - DCAP403_Operating System

Operating System

Notes Fill in the blanks:

6. ....................... is the ability to permit or deny the use of a particular resource by a particular
entity.
7. Modern access control more commonly referred to in the industry as ....................... .
8. LDAP stands for ....................... .

9. ....................... are plastic cards that have integrated circuits or storage receptacles embedded
in them.

10. ....................... is a process of coding information which could either be a file or mail message
in into cipher text a form unreadable without a decoding key in order to prevent anyone
except the intended recipient from reading that data.

10.11 Review Questions

1. What do you mean by system protection?

2. Describe various goals of security and protection.
3. Explain access matrix. Also describe its implementation.
4. What do you mean by access control?
5. Describe various techniques of access controls.

6. Write short note on “Biometrics”.
7. Explain encryption concept.
8. What do you mean by smart card?
9. Describe capability based system.
10. Describe the concept of “hand-held password generators”.

Answers: Self Assessment

1. True 2. False 3. True 4. False

5. True 6. Access control 7. identity management systems
8. Lightweight Directory Access Protocol 9. Smart Cards
10. Encryption

10.12 Further Readings

Books Andrew M. Lister, Fundamentals of Operating Systems, Wiley.
Andrew S. Tanenbaum and Albert S. Woodhull, Systems Design and Implementation,
Prentice Hall.
Andrew S. Tanenbaum, Modern Operating System, Prentice Hall.
Colin Ritchie, Operating Systems, BPB Publications.
Deitel H.M., “Operating Systems, 2nd Edition, Addison Wesley.
I.A. Dhotre, Operating System, Technical Publications.

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